<style scoped>
  .top{
    padding: 10px;
    background: rgba(0, 153, 229, .7);
    color: #fff;
    text-align: center;
    border-radius: 2px;
  }
</style>
<template>
  <Back-top :height="100" :bottom="100">
    <div class="top">返回顶端</div>
  </Back-top>
</template>
<script>
  export default {

  }
</script>
